It was at least a good source for psychological studies. In relation to the article discussed, one of the effects this had was reducing marriage rates.

The theorized reason is these children all grew together and therefore had sexual aversion similar to siblings

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lostmsu 4 days ago | parent [-]

But children spend a lot of time together if they attend nursery/preschool as well. And that does not seem to be producing the problem.

	▲	breppp 4 days ago \| parent [-]
		These children spent all their time with each other, including days and nights, for 18 years, having only a hour or two with their parents a day. It's called the Westermarck Effect, but with anything in Psychology you can take it with a grain of salt